Siemens FC924 User Manual

FS20 Marine Fire Detection Control Panel
85
Siemens Industry, Inc. A6V10519176_enUS_b
Building Technologies Division
15.7 Technical Data
Supply
Voltage 24VDC
Current Standby 35 mA
Alarm 35 mA
System bus SAFEDLINK
Voltage 5VDC
Impedance 120 Ω
Cable type: Shielded
Line-to-line capacitance 150 nF @ loop resistance 20 Ω
40 nF @ loop resistance 180 Ω
Line-to-shield capacitance 150 nF @ loop resistance 20 Ω
40 nF @ loop resistance 180 Ω
Cable type: Unshielded
Line-to-line capacitance 220 nF @ loop resistance 20 Ω
60 nF @ loop resistance 180 Ω
Protocol SAFEDNET (UDP/IP)
Data rate in operation mode:
'Standard': 312 kbit/s
'Low' 96 kbit/s
Distance between two network modules Max. 3300 ft
Electrical isolation between the FCnet/C-WEB
and panel
1 Kv
Supervised for:  Short circuit
 Open circuit
 Ground fault
 Communication error
Connections
Wire gauge 12…26 AWG
Operating unit Plug-type connection

Siemens FC924 Specifications

General

Brand	Siemens
Model	FC924
Category	Control Panel
Language	English